Automobile wire harness sleeve heat shrinking device
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHONGXIANG CHANGXING ELECTRONIC TECHNOLOGY CO LTD
- Filing Date
- 2025-06-03
- Publication Date
- 2026-06-05
AI Technical Summary
Existing heat shrinking devices are difficult to effectively fix the wire harness body, resulting in poor stability between the wire harness and the heat shrink tubing. This can easily lead to movement or slippage, resulting in uneven heat shrinking and affecting protective performance and service life.
A heat shrinking device for automotive wiring harness sleeves, comprising a clamping assembly and a heating assembly, is designed. The clamping assembly stably clamps the wiring harness using rollers and a rotating rod driven by an electric push rod, while the heating assembly achieves uniform heating in multiple directions through a ventilation duct and a heating coil.
It improves the stability and heat shrink accuracy between the wire harness and the heat shrink tubing, ensuring uniform heating of the heat shrink tubing and enhancing its protective performance and service life.
Smart Images
Figure CN224328545U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wire harness production technology, specifically to a heat shrinking device for automotive wire harness sleeves. Background Technology
[0002] As a key component of the automotive electrical system, automotive wiring harnesses consist of multiple wires, connectors, and other components. They bear the important task of transmitting power and signals, and their design and quality directly affect the performance and safety of the vehicle. They play an irreplaceable role in the normal operation of the vehicle. To ensure the stable operation of the wiring harness and to prevent the cable from being affected by the external environment, it is often necessary to use a sleeve to protect the wiring harness during its use.
[0003] When installing sleeves on the surface of wire harnesses, heat shrink devices play a crucial role. Existing heat shrink devices typically use heating devices, such as hot air guns or heat shrink machines, to heat the heat shrink tubing. When the heat shrink tubing is heated, it shrinks, tightly wrapping the wire harness to form an effective protective layer, thus protecting the wire harness.
[0004] Existing heat shrinking devices have difficulty effectively fixing the wire harness body during the heat shrinking process, resulting in poor stability between the wire harness body and the heat shrink tubing. This can easily lead to movement or slippage, resulting in unsatisfactory heat shrinking effects and uneven heat shrinking. This not only reduces the protective performance of the wire harness but may also affect its service life. Utility Model Content
[0005] The purpose of this utility model is to provide a heat shrinking device for automotive wiring harness sleeves to overcome the shortcomings of current methods that make it difficult to effectively fix the wiring harness body.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a heat shrinking device for automotive wiring harness sleeves, comprising a base, heating chambers fixedly connected to both the left and right sides of the base, a heating component provided on the top of the heating chamber, multiple evenly distributed wiring harness bodies abutting against the top side of the base, heat shrink tubing sleeved on the surface of the wiring harness bodies near the heating chamber, a support frame fixedly connected to the middle of the top side of the base, an electric push rod fixedly connected to the top side of the support frame, and a clamping component provided at the telescopic end of the electric push rod.
[0007] The clamping assembly described above includes a mounting plate, which is fixedly connected to the telescopic end of the electric push rod. Multiple evenly distributed rotating rods are rotatably connected inside the mounting plate. A mounting shaft is fixedly connected inside the rotating rod near the wire harness body. Two connecting shafts are slidably connected inside the mounting shaft. Limiting plates are fixedly connected to the opposite side of the two connecting shafts. Tension springs are fixedly connected to the opposite side of the two limiting plates. Rollers are fixedly connected to the other end of the two connecting shafts. The rollers are disposed on the surface of the wire harness body.
[0008] As mentioned above, multiple evenly distributed tension springs are fixedly connected to the bottom side of the mounting plate, and the end of the tension spring near the rotating rod is fixedly connected to one side of the rotating rod.
[0009] As mentioned above, the mounting plate is fixedly connected to the slider on the side near the support frame. Two sliding grooves are opened inside the support frame, and the slider is slidably connected inside the sliding grooves.
[0010] As described above, both heating components include ventilation pipes, which are fixedly connected to the inside of the heating chamber. A filter plate is fixedly connected to the top of the inner cavity of the ventilation pipe, a fan is fixedly connected to the middle of the inner cavity of the ventilation pipe, and a heating coil is fixedly connected to the bottom of the inner cavity of the ventilation pipe. A ventilation channel is opened inside the heating chamber, and multiple evenly distributed ventilation holes are opened inside the heating chamber, which are interconnected with the ventilation channel.
[0011] As described above, a placement plate is slidably connected to the bottom of the heating chamber, heat shrink tubing is placed on the top side of the placement plate, and multiple evenly distributed springs are fixedly connected to the bottom side of the placement plate, with the bottom ends of the springs fixedly connected to the inside of the heating chamber.
[0012] As described above, two limiting blocks are fixedly connected to the surface of the placement plate, and two limiting grooves are opened inside the heating chamber, with the limiting blocks slidably connected inside the limiting grooves.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0014] 1. This utility model effectively fixes multiple wire harness bodies placed on the top of the base by setting a clamping component, thereby ensuring the stability between the wire harness body and the heat shrink tube during the heat shrinking process. This design improves the accuracy of heat shrinking, avoids uneven heat shrinking caused by movement or sliding, and enhances the protective performance and service life of the wire harness.
[0015] 2. This utility model achieves multi-directional heating of the heat shrink tubing through the heating component, thereby ensuring that the heat shrink tubing is heated evenly throughout the heating process. This uniform heating method effectively avoids local overheating or underheating, ensuring that the heat shrink tubing can perfectly fit the surface of the wire harness, achieving the ideal installation effect, enhancing its protective function, and providing more comprehensive insulation and protection for the wire harness. Attached Figure Description
[0016] Figure 1 This is a three-dimensional structural diagram of the automotive wiring harness sleeve heat shrinking device of this utility model;
[0017] Figure 2 This is a schematic diagram of the support frame structure of the automotive wiring harness sleeve heat shrinking device of this utility model;
[0018] Figure 3 This is a schematic diagram of the roller structure of the automotive wiring harness sleeve heat shrinking device of this utility model;
[0019] Figure 4 This is a schematic diagram of the heating chamber structure of the automotive wiring harness sleeve heat shrinking device of this utility model;
[0020] Figure 5 This is a schematic diagram of the ventilation pipe structure of the automotive wiring harness sleeve heat shrink device of this utility model.
[0021] In the diagram: 1. Base; 2. Wiring harness body; 3. Heat shrink tubing; 4. Heating chamber; 5. Heating assembly; 501. Ventilation pipe; 502. Heating coil; 503. Fan; 504. Filter plate; 6. Clamping assembly; 601. Rotating rod; 602. Roller; 603. Connecting shaft; 604. Mounting plate; 605. Limiting plate; 606. Tension spring one; 607. Mounting shaft; 608. Tension spring two; 7. Support frame; 8. Electric push rod; 9. Slider; 10. Placement plate; 11. Limiting block; 12. Spring. Detailed Implementation
[0022] In the description of this utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. The various embodiments of this utility model are described in detail below with reference to the accompanying drawings.
[0023] Example 1
[0024] Please see Figures 1 to 5The present invention preferably provides the following technical solution: a heat shrinkable device for automotive wiring harness tubing, comprising a base 1, which serves as the basic support structure for the entire device, providing stable support and housing the wiring harness body 2. Heating chambers 4 are fixedly connected to both sides of the base 1, and the heat shrinkable tubing 2 is placed inside the heating chambers 4 for effective heating treatment. Multiple evenly distributed wiring harness bodies 2 are abutted against the top side of the base 1, and heat shrinkable tubing 3 is fitted onto the surface of the wiring harness body 2 near the heating chambers 4. A support frame 7 is fixedly connected to the middle of the top side of the base 1, and an electric push rod 8 is fixedly connected to the top side of the support frame 7. The telescopic end of the electric push rod 8 can drive the mounting plate 604 to move. A clamping assembly 6 is provided at the telescopic end of the electric push rod 8, and the clamping assembly 6 includes a mounting plate 604, which is fixedly connected to the telescopic end of the electric push rod 8. The mounting plate 604 is used to mount a rotating rod. 601, The mounting plate 604 has multiple evenly distributed rotating rods 601 rotatably connected inside. The rotating rods 601 are fixedly connected to the mounting shaft 607 at the end near the wire harness body 2. The mounting shaft 607 is used to mount the connecting shaft 603. Two connecting shafts 603 are slidably connected inside the mounting shaft 607. Limiting plates 605 are fixedly connected to the opposite side of the two connecting shafts 603. Tension springs 606 are fixedly connected to the opposite side of the two limiting plates 605. The connecting shafts 603 slide inside the mounting shaft 607, allowing the multiple connecting shafts 603 to move relative to each other, which enhances the flexibility and adaptability of the rollers 602. The other end of the two connecting shafts 603 is fixedly connected to rollers 602. The rollers 602 are set on the surface of the wire harness body 2. The rollers 602 roll on the surface of the wire harness body 2 to correct and clamp the wire harness body 2, keeping the wire harness body 2 stable.
[0025] like Figure 2 As shown, the mounting plate 604 is fixedly connected to the side of the support frame 7 with sliders 9. The support frame 7 has two grooves inside, and the sliders 9 are slidably connected inside the grooves. The sliding of the sliders 9 inside the grooves can make the mounting plate 604 move stably.
[0026] like Figure 2 As shown, multiple evenly distributed tension springs 608 are fixedly connected to the bottom side of the mounting plate 604. The end of tension spring 608 near the rotating rod 601 is fixedly connected to one side of the rotating rod 601. The tension spring 608 can pull two rollers 602 to press tightly against the surface of the wire harness.
[0027] like Figure 1 , Figure 4 and Figure 5As shown, a heating assembly 5 is provided on the top of the heating chamber 4. Both heating assemblies 5 include ventilation pipes 501. The ventilation pipes 501 are fixedly connected to the inside of the heating chamber 4. The ventilation pipes 501 can deliver heated air into the heating chamber 4 to ensure that the heat can be fully transferred to the heat shrink tubing 3. A filter plate 504 is fixedly connected to the top of the inner cavity of the ventilation pipe 501. The filter plate 504 can filter impurities in the airflow to ensure clean air flow. A fan 503 is fixedly connected to the middle of the inner cavity of the ventilation pipe 501. A heating coil 502 is fixedly connected to the bottom of the inner cavity of the ventilation pipe 501. The fan 503 is responsible for drawing air into the ventilation pipe 501, heating it through the heating coil 502, and then sending it to the heat shrink tubing 3. A ventilation channel is opened inside the heating chamber 4. Multiple evenly distributed ventilation holes are opened inside the heating chamber 4. The ventilation holes and ventilation channels are interconnected. Airflow can be evenly blown onto the heat shrink tubing 3 through the ventilation holes and ventilation channels.
[0028] like Figure 2 As shown, a placement plate 10 is slidably connected to the bottom of the inner cavity of the heating chamber 4. The heat shrink tubing 3 is placed on the top side of the placement plate 10. Multiple evenly distributed springs 12 are fixedly connected to the bottom side of the placement plate 10. The bottom ends of the springs 12 are fixedly connected to the inside of the heating chamber 4. Two limiting blocks 11 are fixedly connected to the surface of the placement plate 10. Two limiting grooves are opened inside the heating chamber 4. The limiting blocks 11 are slidably connected to the inside of the limiting grooves. The placement plate 10 is used to place the heat shrink tubing 3 to ensure the correct position of the heat shrink tubing in the heating chamber 4. The position of the placement plate 10 can be adjusted by installing the springs 12 to accommodate heat shrink tubing 3 of different sizes. The limiting blocks can restrict the movement of the placement plate 10.
[0029] Working principle: When using this device, heat shrink tubing 3 is fitted onto both ends of multiple wire harness bodies 2, and the wire harness bodies 2 are placed on top of the base 2 so that the heat shrink tubing 3 is placed on top of the placement plate 1 inside the heating chamber 4. After support, the electric push rod 8 is activated. The telescopic end of the electric push rod 8 extends and pushes the mounting plate 604 towards the wire harness body 2. During the movement of the mounting plate 604, multiple rollers 602 contact the base 1, causing multiple rotating rods 601 to rotate, thereby moving the rollers 602 along the wire harness body 2, thereby correcting and clamping the wire harness body 2, keeping the wire harness body 2 stable during the heat shrinking process. Then, two fans 503 are activated. The fans 503 rotate and drive the airflow into the ventilation pipe 501. After being heated by the heating coil 502, the airflow is blown through the ventilation channel and multiple ventilation holes onto the multiple heat shrink tubing 3, so that the heat shrink tubing 3 is heated evenly and can perfectly fit the surface 2 of the wire harness to complete the heat shrinking.
[0030] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part. Among these, there are various ways to install detachably, such as by using a combination of plug-in and snap-fit, or by using bolts for connection, etc.
[0031] In addition, all the connections / connections mentioned in the article do not refer to direct connection of components, but rather to the formation of a better connection structure by adding or removing connecting accessories according to the specific implementation situation.
[0032] The above description of the specific embodiments of this utility model is only used to further illustrate this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-essential improvements and adjustments made to this utility model by technical engineers based on the above description of the utility model shall fall within the scope of protection of this utility model.
Claims
1. A heat shrinking device for automotive wiring harness tubing, characterized in that: The device includes a base, with heating chambers fixedly connected to both the left and right sides of the base. A heating component is provided on the top of each heating chamber. Multiple evenly distributed wire harness bodies are abutted against the top side of the base. Heat shrink tubing is fitted onto the surface of each wire harness body near the heating chamber. A support frame is fixedly connected to the center of the top side of the base. An electric push rod is fixedly connected to the top side of the support frame. A clamping component is provided at the telescopic end of the electric push rod.
2. The automotive wiring harness sleeve heat shrinking device according to claim 1, characterized in that: The clamping assembly includes a mounting plate, which is fixedly connected to the telescopic end of the electric push rod. Multiple evenly distributed rotating rods are rotatably connected inside the mounting plate. An mounting shaft is fixedly connected inside one end of each rotating rod near the wire harness body. Two connecting shafts are slidably connected inside the mounting shaft. Limiting plates are fixedly connected to opposite sides of the two connecting shafts. A tension spring is fixedly connected to opposite sides of the two limiting plates. Rollers are fixedly connected to the other ends of the two connecting shafts, and the rollers are disposed on the surface of the wire harness body.
3. The automotive wiring harness sleeve heat shrinking device according to claim 2, characterized in that: Multiple evenly distributed tension springs are fixedly connected to the bottom side of the mounting plate, and the end of each tension spring near the rotating rod is fixedly connected to one side of the rotating rod.
4. The automotive wiring harness sleeve heat shrinking device according to claim 2, characterized in that: Each mounting plate is fixedly connected to a slider on the side near the support frame. Two sliding grooves are opened inside the support frame, and the slider is slidably connected inside the sliding grooves.
5. The automotive wiring harness sleeve heat shrinking device according to claim 1, characterized in that: Both heating components include ventilation pipes, which are fixedly connected to the interior of the heating chamber. A filter plate is fixedly connected to the top of the inner cavity of the ventilation pipe, a fan is fixedly connected to the middle of the inner cavity of the ventilation pipe, and a heating coil is fixedly connected to the bottom of the inner cavity of the ventilation pipe. A ventilation channel is provided inside the heating chamber, and multiple evenly distributed ventilation holes are provided inside the heating chamber. The ventilation holes are interconnected with the ventilation channel.
6. The automotive wiring harness sleeve heat shrinking device according to claim 1, characterized in that: A placement plate is slidably connected to the bottom of the heating chamber, the heat shrink tubing is placed on the top side of the placement plate, and a plurality of evenly distributed springs are fixedly connected to the bottom side of the placement plate, with the bottom ends of the springs fixedly connected to the inside of the heating chamber.
7. The automotive wiring harness sleeve heat shrinking device according to claim 6, characterized in that: Two limiting blocks are fixedly connected to the surface of the placement plate, and two limiting grooves are opened inside the heating chamber. The limiting blocks are slidably connected inside the limiting grooves.